Death Valley heavy rock trail mystery solved
On a flat dry lakebed in Death Valley National Park, heavy rocks sit at the end of long grooves they have plowed across the mud.
July 11, 2026
On a flat dry lakebed in Death Valley National Park, heavy rocks sit at the end of long grooves they have plowed across the mud.
Time is running out for a space telescope falling out of Earth orbit, and an Arizona company is rising to the rescue.
Two prototype dishes for the DSA at the Owens Valley Radio Observatory (OVRO) near Bishop, California.
About 70 percent of Earth’s surface is covered by water, but most of it is salty. A surprising amount of freshwater in underground aquifers, and not just under dry land.
NASA still runs the Voyagers on software written in a programming language nobody alive can read, kept going by a handful of engineers all in their eighties, with no one queued up to replace them.
In the new study, published April 9 in the journal Science, the researchers argued that tectonics alone can heat the magma reservoirs underneath Yellowstone without the need for a deep mantle plume.
